199245331 has 2 divisors, whose sum is σ = 199245332. Its totient is φ = 199245330.

The previous prime is 199245317. The next prime is 199245349. The reversal of 199245331 is 133542991.

199245331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199245331 - 2¹¹ = 199243283 is a prime.

It is a super-2 number, since 2×199245331² = 79397403850599122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (199245131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99622665 + 99622666.

It is an arithmetic number, because the mean of its divisors is an integer number (99622666).

Almost surely, 2^199245331 is an apocalyptic number.

199245331 is a deficient number, since it is larger than the sum of its proper divisors (1).

199245331 is an equidigital number, since it uses as much as digits as its factorization.

199245331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 199245331 is about 14115.4288280590. The cubic root of 199245331 is about 584.0670653496.

The spelling of 199245331 in words is "one hundred ninety-nine million, two hundred forty-five thousand, three hundred thirty-one".